21211110200048 has 20 divisors (see below), whose sum is σ = 41871932165448. Its totient is φ = 10405450286400.

The previous prime is 21211110200047. The next prime is 21211110200131. The reversal of 21211110200048 is 84000201111212.

It is a happy number.

It is a super-2 number, since 2×21211110200048² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21211110199996 and 21211110200032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21211110200047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12506549978 + ... + 12506551673.

Almost surely, 2^{21211110200048} is an apocalyptic number.

It is an amenable number.

21211110200048 is a deficient number, since it is larger than the sum of its proper divisors (20660821965400).

21211110200048 is a wasteful number, since it uses less digits than its factorization.

21211110200048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25013101712 (or 25013101706 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 23.

The spelling of 21211110200048 in words is "twenty-one trillion, two hundred eleven billion, one hundred ten million, two hundred thousand, forty-eight".